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      <h5 class="display-10"> Thinkphp5.1 留言版 + 博客 </h5>
      <p class="lead">This is a simple hero unit, a simple jumbotron-style component for calling extra attention to featured content or information.</p>
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      <p>@  Thinkphp5.1 It uses utility classes for typography and spacing to space content out within the larger container.</p>
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